Wanted to buy :rhy code rear leaf spring

[91VETTEZR1]

Wanted to buy hy code rear leaf spring, may consider nyr code. No cracks or splinters.
Thanks
todd

 

[Hib Halverson]

Pretty big difference in rates between those two
RHY 75.4 Nm/mm
NYR 96.2 Nm/mm

 

[91VETTEZR1]

hey hib
i thought there was a difference, i got the info from one of your posts. so which is a stiffer spring? the RHY 75.4 Nm/mm or
NYR 96.2 Nm/mm
just curious.
thanks
todd

 

[Hib Halverson]

The higher rate is stiffer, but if you add that much rate in the rear, you'll need to make some kind of change up front to preserve the car's balance.